Datums for 8441771, ESSEX, ESSEX RIVER MA

NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8441771, ESSEX, ESSEX RIVER, MA
Status: Accepted (Apr 17 2003)
Units: Feet
Control Station: 8443970 Boston, MA
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
MHHW9.92Mean Higher-High Water
MHW9.50Mean High Water
MTL4.90Mean Tide Level
MSL5.08Mean Sea Level
DTL4.96Mean Diurnal Tide Level
MLW0.31Mean Low Water
MLLW0.00Mean Lower-Low Water
STND-3.63Station Datum
GT9.92Great Diurnal Range
MN9.18Mean Range of Tide
DHQ0.43Mean Diurnal High Water Inequality
DLQ0.31Mean Diurnal Low Water Inequality
HWI3.95Greenwich High Water Interval (in hours)
LWI10.26Greenwich Low Water Interval (in hours)
Max TideHighest Observed Tide
Max Tide Date & Time Highest Observed Tide Date & Time
Min TideLowest Observed Tide
Min Tide Date & Time Lowest Observed Tide Date & Time
HAT12.02Highest Astronomical Tide
HAT Date & Time11/16/2016 17:18HAT Date and Time
LAT-1.94Lowest Astronomical Tide
LAT Date & Time01/04/2014 00:18LAT Date and Time
Tidal Datum Analysis Periods
06/01/1994 - 09/30/1994

Products available at 8441771 ESSEX, ESSEX RIVER, MA